The Chronicles of America Series, Volume 371921 |
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Résultats 1-5 sur 12
Page 27
... plough had been little improved since the days of Rameses . He sowed his wheat by hand , cut it with a sickle , flailed it out upon the floor , and laboriously winnowed away the chaff . . In that same year , 1790 , came a great boon and ...
... plough had been little improved since the days of Rameses . He sowed his wheat by hand , cut it with a sickle , flailed it out upon the floor , and laboriously winnowed away the chaff . . In that same year , 1790 , came a great boon and ...
Page 111
... plough in the United States was little more than a crooked stick with an iron point attached , sometimes with rawhide , which simply scratched the ground . Ploughs of this sort were in use in Illinois as late as 1812. There were a few ...
... plough in the United States was little more than a crooked stick with an iron point attached , sometimes with rawhide , which simply scratched the ground . Ploughs of this sort were in use in Illinois as late as 1812. There were a few ...
Page 112
... plough are in the museum of the New York Agricultural Society at Albany . Another inventor of ploughs was Jethro Wood , a blacksmith of Scipio , New York , who received two patents , one in 1814 and the other in 1819 . His plough was of ...
... plough are in the museum of the New York Agricultural Society at Albany . Another inventor of ploughs was Jethro Wood , a blacksmith of Scipio , New York , who received two patents , one in 1814 and the other in 1819 . His plough was of ...
Page 113
... ploughs faced with steel , like other blacksmiths , but was not satisfied with them and studied and experi- mented to find the best curves and angles for a plough to be used in the soils around him . His ploughs were much in demand ...
... ploughs faced with steel , like other blacksmiths , but was not satisfied with them and studied and experi- mented to find the best curves and angles for a plough to be used in the soils around him . His ploughs were much in demand ...
Page 114
... plough it was only a step to two or more ploughs fastened together , doing more work with approximately the same man power . The sulky plough , on which the ploughman rode , made his work easier , and gave him great control . Such ploughs ...
... plough it was only a step to two or more ploughs fastened together , doing more work with approximately the same man power . The sulky plough , on which the ploughman rode , made his work easier , and gave him great control . Such ploughs ...
Expressions et termes fréquents
afterwards Albany American balloon became began Benjamin Franklin better boat Boston Boulton and Watt brothers built Canal CHAPTER Charles Goodyear chine Clermont cloth colonies Colt Congress cotton gin Curtiss discovery Dwight Goddard dynamo early Edison electricity Eli Whitney England experiments factory farm father flying Haven Henry Howe's hundred idea improved industry invention inventor James Watt John Stevens labor Langley later light Livingston locomotive London Lowell machinery manufacture mechanical ment miles Miller mills Morse motor newspapers Oliver Evans partners Patent Act Pennsylvania Philadelphia ploughs practical principle printing produced profits railway reaper Robert Fulton rubber Samuel Samuel Colt SAMUEL F. B. MORSE says sewing machine sold soon South spinning steam engine steamboat story success telegraph thousand dollars tion took turn United Washington Whitney's wings wire Wright York young